html,body{
    height: 100%;
}
body{
    width: 100%;
    padding: 0;
    margin: 0;
}
.loginBac{
    width: 100%;
    height: 100%;
    background: url("loginBac.jpg");
    background-size: cover;
    position: relative;
}
#logintop{
    position: absolute;
    top: 20%;
    left: 60%;
    width: 20%;
    background: #d8ebf2;
    position: absolute;
    padding: 20px 45px;
    padding-bottom: 20px;
    left: 50%;
    transform: translateX(-150px);
    top: 18%;
}
.message{
    display: none;
}
input{
    padding: 10px 22px;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555;
    width: 80%;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    -webkit-box-shadow: inset 0
}
.forgetmenot input{
    width:auto;
}
.f_left{
    float: left;
}
.f_right{
    float: right;
}
.button-primary{
    color: #fff;
    background-color: #337ab7;
    border-color: #2e6da4;
    display: inline-block;
    padding: 10px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: center;
    width: 100%;
    cursor: pointer;
}